Copyright © 1994–2002 Tecgraf, PUC-Rio.
Permission is hereby granted, without written agreement and without license
or royalty fees, to use, copy, modify, translate, and distribute
this software and its documentation (hereby called the "package")
for any purpose, including commercial applications, subject to
the following conditions:
The above copyright notice and this permission notice shall appear in all
copies or substantial portions of this package.
The origin of this package must not be misrepresented; you must not
claim that you wrote the original package. If you use this package in a
product, an acknowledgment in the product documentation would be greatly
appreciated (but it is not required).
Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original package.
The authors specifically disclaim any warranties, including, but not limited
to, the implied warranties of merchantability and fitness for a particular
purpose. The package provided hereunder is on an "as is" basis, and the
authors have no obligation to provide maintenance, support, updates,
enhancements, or modifications. In no event shall Tecgraf, PUC-Rio, or the
authors be held liable to any party for direct, indirect, special,
incidental, or consequential damages arising out of the use of this package
and its documentation.